The lyric “Having the time of your...” is completed by “life” in ABBA’s “Dancing Queen.”
“Dancing Queen” was released in 1976 and became one of ABBA’s most internationally successful songs. It was written by Benny Andersson, Björn Ulvaeus, and Stig Anderson, while Anni-Frid Lyngstad sings the lead vocal. The recording combines disco influences with ABBA’s layered vocal harmonies and polished studio production.
The song reached number one in several countries, including the United States, the United Kingdom, Australia, and Sweden. It remains ABBA’s only US number-one single.
The lyric describes a young dancer enjoying a night out, rather than presenting a detailed narrative. That celebratory setting is why “life” fits the line so naturally, while alternatives such as “night” can sound plausible when the chorus is remembered imperfectly.